UI: Use 'Maximum entities per datasource' parameter from widget configuration instead of hardcoded value 1024

ui-ngx/src/app/core/api/alias-controller.ts

@@ -17,14 +17,15 @@
 import { AliasInfo, IAliasController, StateControllerHolder, StateEntityInfo } from '@core/api/widget-api.models';
 import { forkJoin, Observable, of, ReplaySubject, Subject } from 'rxjs';
 import { Datasource, DatasourceType, datasourceTypeTranslationMap } from '@app/shared/models/widget.models';
-import { deepClone, isEqual } from '@core/utils';
+import { deepClone, isDefinedAndNotNull, isEqual } from '@core/utils';
 import { EntityService } from '@core/http/entity.service';
 import { UtilsService } from '@core/services/utils.service';
 import { AliasFilterType, EntityAliases, SingleEntityFilter } from '@shared/models/alias.models';
 import { EntityInfo } from '@shared/models/entity.models';
 import { map, mergeMap } from 'rxjs/operators';
 import {
-  defaultEntityDataPageLink, Filter, FilterInfo, filterInfoToKeyFilters, Filters, KeyFilter, singleEntityDataPageLink,
+  createDefaultEntityDataPageLink,
+  Filter, FilterInfo, filterInfoToKeyFilters, Filters, KeyFilter, singleEntityDataPageLink,
   updateDatasourceFromEntityInfo
 } from '@shared/models/query/query.models';
 import { TranslateService } from '@ngx-translate/core';
@@ -322,7 +323,7 @@ export class AliasController implements IAliasController {
     );
   }
 
-  resolveDatasources(datasources: Array<Datasource>, singleEntity?: boolean): Observable<Array<Datasource>> {
+  resolveDatasources(datasources: Array<Datasource>, singleEntity?: boolean, pageSize = 1024): Observable<Array<Datasource>> {
     if (!datasources || !datasources.length) {
       return of([]);
     }
@@ -360,7 +361,8 @@ export class AliasController implements IAliasController {
             if (singleEntity) {
               datasource.pageLink = deepClone(singleEntityDataPageLink);
             } else if (!datasource.pageLink) {
-              datasource.pageLink = deepClone(defaultEntityDataPageLink);
+              pageSize = isDefinedAndNotNull(pageSize) && pageSize > 0 ? pageSize : 1024;
+              datasource.pageLink = createDefaultEntityDataPageLink(pageSize);
             }
           }
         });

ui-ngx/src/app/core/api/widget-api.models.ts

@@ -119,7 +119,7 @@ export interface IAliasController {
   getEntityAliasId(aliasName: string): string;
   getInstantAliasInfo(aliasId: string): AliasInfo;
   resolveSingleEntityInfo(aliasId: string): Observable<EntityInfo>;
-  resolveDatasources(datasources: Array<Datasource>, singleEntity?: boolean): Observable<Array<Datasource>>;
+  resolveDatasources(datasources: Array<Datasource>, singleEntity?: boolean, pageSize?: number): Observable<Array<Datasource>>;
   resolveAlarmSource(alarmSource: Datasource): Observable<Datasource>;
   getEntityAliases(): EntityAliases;
   getFilters(): Filters;
@@ -184,6 +184,7 @@ export interface SubscriptionInfo {
   deviceName?: string;
   deviceNamePrefix?: string;
   deviceIds?: Array<string>;
+  pageSize?: number;
 }
 
 export class WidgetSubscriptionContext {
@@ -242,6 +243,7 @@ export interface WidgetSubscriptionOptions {
   datasourcesOptional?: boolean;
   hasDataPageLink?: boolean;
   singleEntity?: boolean;
+  pageSize?: number;
   warnOnPageDataOverflow?: boolean;
   ignoreDataUpdateOnIntervalTick?: boolean;
   targetDeviceAliasIds?: Array<string>;

ui-ngx/src/app/core/api/widget-subscription.ts

@@ -97,6 +97,7 @@ export class WidgetSubscription implements IWidgetSubscription {
 
   hasDataPageLink: boolean;
   singleEntity: boolean;
+  pageSize: number;
   warnOnPageDataOverflow: boolean;
   ignoreDataUpdateOnIntervalTick: boolean;
 
@@ -229,6 +230,7 @@ export class WidgetSubscription implements IWidgetSubscription {
       this.entityDataListeners = [];
       this.hasDataPageLink = options.hasDataPageLink;
       this.singleEntity = options.singleEntity;
+      this.pageSize = options.pageSize;
       this.warnOnPageDataOverflow = options.warnOnPageDataOverflow;
       this.ignoreDataUpdateOnIntervalTick = options.ignoreDataUpdateOnIntervalTick;
       this.datasourcePages = [];
@@ -387,7 +389,7 @@ export class WidgetSubscription implements IWidgetSubscription {
           }
         );
       } else {
-        this.ctx.aliasController.resolveDatasources(this.configuredDatasources, this.singleEntity).subscribe(
+        this.ctx.aliasController.resolveDatasources(this.configuredDatasources, this.singleEntity, this.pageSize).subscribe(
           (datasources) => {
             this.configuredDatasources = datasources;
             this.prepareDataSubscriptions().subscribe(
@@ -1132,7 +1134,7 @@ export class WidgetSubscription implements IWidgetSubscription {
         }
       );
     } else {
-      this.ctx.aliasController.resolveDatasources(this.configuredDatasources, this.singleEntity).subscribe(
+      this.ctx.aliasController.resolveDatasources(this.configuredDatasources, this.singleEntity, this.pageSize).subscribe(
         (datasources) => {
           this.configuredDatasources = datasources;
           this.prepareDataSubscriptions().subscribe(
@@ -1271,7 +1273,7 @@ export class WidgetSubscription implements IWidgetSubscription {
       totalPages: pageData.totalPages
     };
     if (datasource.type === DatasourceType.entity &&
-        pageData.hasNext && pageLink.pageSize > 1) {
+        pageData.hasNext && !this.singleEntity) {
       if (this.warnOnPageDataOverflow) {
         const message = this.ctx.translate.instant('widget.data-overflow',
           {count: pageData.data.length, total: pageData.totalElements});

ui-ngx/src/app/core/http/entity.service.ts

@@ -1319,7 +1319,8 @@ export class EntityService {
         pageLink = deepClone(singleEntityDataPageLink);
       } else {
         nameFilter = subscriptionInfo.entityNamePrefix;
-        pageLink = deepClone(defaultEntityDataPageLink);
+        const pageSize = isDefinedAndNotNull(subscriptionInfo.pageSize) && subscriptionInfo.pageSize > 0 ? subscriptionInfo.pageSize : 1024;
+        pageLink = createDefaultEntityDataPageLink(pageSize);
       }
       datasource.entityFilter = {
         type: AliasFilterType.entityName,
@@ -1333,7 +1334,8 @@ export class EntityService {
         entityType: subscriptionInfo.entityType,
         entityList: subscriptionInfo.entityIds
       };
-      datasource.pageLink = deepClone(defaultEntityDataPageLink);
+      const pageSize = isDefinedAndNotNull(subscriptionInfo.pageSize) && subscriptionInfo.pageSize > 0 ? subscriptionInfo.pageSize : 1024;
+      datasource.pageLink = createDefaultEntityDataPageLink(pageSize);
     }
   }
 

ui-ngx/src/app/modules/home/components/widget/lib/maps/map-widget2.ts

@@ -45,7 +45,7 @@ import { TranslateService } from '@ngx-translate/core';
 import { UtilsService } from '@core/services/utils.service';
 import { EntityDataPageLink } from '@shared/models/query/query.models';
 import { providerClass } from '@home/components/widget/lib/maps/providers';
-import { isDefined, parseFunction } from '@core/utils';
+import { isDefined, isDefinedAndNotNull, parseFunction } from '@core/utils';
 import L from 'leaflet';
 import { forkJoin, Observable, of } from 'rxjs';
 import { AttributeService } from '@core/http/attribute.service';
@@ -87,9 +87,13 @@ export class MapWidgetController implements MapWidgetInterface {
         this.map.saveMarkerLocation = this.setMarkerLocation.bind(this);
         this.map.savePolygonLocation = this.savePolygonLocation.bind(this);
         this.map.saveLocation = this.saveLocation.bind(this);
+        let pageSize = this.settings.mapPageSize;
+        if (isDefinedAndNotNull(this.ctx.widgetConfig.pageSize)) {
+          pageSize = Math.max(pageSize, this.ctx.widgetConfig.pageSize);
+        }
         this.pageLink = {
           page: 0,
-          pageSize: this.settings.mapPageSize,
+          pageSize,
           textSearch: null,
           dynamic: true
         };

ui-ngx/src/app/modules/home/components/widget/lib/maps/providers/image-map.ts

@@ -88,6 +88,7 @@ export class ImageMap extends LeafletMap {
       const imageUrlSubscriptionOptions: WidgetSubscriptionOptions = {
         datasources,
         hasDataPageLink: true,
+        singleEntity: true,
         useDashboardTimewindow: false,
         type: widgetType.latest,
         callbacks: {

ui-ngx/src/app/modules/home/components/widget/lib/markdown-widget.component.ts

@@ -26,7 +26,7 @@ import {
   fillDataPattern,
   flatFormattedData,
   formattedDataFormDatasourceData,
-  hashCode,
+  hashCode, isDefinedAndNotNull,
   isNotEmptyStr,
   parseFunction, processDataPattern,
   safeExecute
@@ -83,9 +83,11 @@ export class MarkdownWidgetComponent extends PageComponent implements OnInit {
       cssParser.cssPreviewNamespace = this.markdownClass;
       cssParser.createStyleElement(this.markdownClass, cssString);
     }
+    const pageSize = isDefinedAndNotNull(this.ctx.widgetConfig.pageSize) &&
+                      this.ctx.widgetConfig.pageSize > 0 ? this.ctx.widgetConfig.pageSize : 16384;
     const pageLink: EntityDataPageLink = {
       page: 0,
-      pageSize: 16384,
+      pageSize,
       textSearch: null,
       dynamic: true
     };

ui-ngx/src/app/modules/home/components/widget/widget-config.component.html

@@ -317,6 +317,14 @@
             <mat-panel-title translate>widget-config.data-settings</mat-panel-title>
           </mat-expansion-panel-header>
           <ng-template matExpansionPanelContent>
+            <div fxLayout="row" *ngIf="widgetType !== widgetTypes.rpc &&
+                                    widgetType !== widgetTypes.alarm &&
+                                    modelValue?.isDataEnabled && !modelValue?.typeParameters?.singleEntity">
+              <mat-form-field fxFlex>
+                <mat-label translate>widget-config.data-page-size</mat-label>
+                <input matInput formControlName="pageSize" type="number" min="1" step="1">
+              </mat-form-field>
+            </div>
             <div fxLayout.xs="column" fxLayout="row" fxLayoutGap="8px">
               <mat-form-field fxFlex>
                 <mat-label translate>widget-config.units</mat-label>

ui-ngx/src/app/modules/home/components/widget/widget-config.component.ts

@@ -213,6 +213,7 @@ export class WidgetConfigComponent extends PageComponent implements OnInit, Cont
       widgetStyle: [null, []],
       widgetCss: [null, []],
       titleStyle: [null, []],
+      pageSize: [1024, [Validators.min(1), Validators.pattern(/^\d*$/)]],
       units: [null, []],
       decimals: [null, [Validators.min(0), Validators.max(15), Validators.pattern(/^\d*$/)]],
       noDataDisplayMessage: [null, []],
@@ -420,6 +421,7 @@ export class WidgetConfigComponent extends PageComponent implements OnInit, Cont
               fontSize: '16px',
               fontWeight: 400
             },
+            pageSize: isDefined(config.pageSize) ? config.pageSize : 1024,
             units: config.units,
             decimals: config.decimals,
             noDataDisplayMessage: isDefined(config.noDataDisplayMessage) ? config.noDataDisplayMessage : '',

ui-ngx/src/app/modules/home/components/widget/widget.component.ts

@@ -977,7 +977,8 @@ export class WidgetComponent extends PageComponent implements OnInit, AfterViewI
         ignoreDataUpdateOnIntervalTick: this.typeParameters.ignoreDataUpdateOnIntervalTick,
         comparisonEnabled: comparisonSettings.comparisonEnabled,
         timeForComparison: comparisonSettings.timeForComparison,
-        comparisonCustomIntervalValue: comparisonSettings.comparisonCustomIntervalValue
+        comparisonCustomIntervalValue: comparisonSettings.comparisonCustomIntervalValue,
+        pageSize: this.widget.config.pageSize
       };
       if (this.widget.type === widgetType.alarm) {
         options.alarmSource = deepClone(this.widget.config.alarmSource);

ui-ngx/src/app/shared/models/widget.models.ts

@@ -554,6 +554,7 @@ export interface WidgetConfig {
   units?: string;
   decimals?: number;
   noDataDisplayMessage?: string;
+  pageSize?: number;
   actions?: {[actionSourceId: string]: Array<WidgetActionDescriptor>};
   settings?: WidgetSettings;
   alarmSource?: Datasource;

ui-ngx/src/assets/locale/locale.constant-en_US.json

@@ -3246,6 +3246,7 @@
         "advanced-settings": "Advanced settings",
         "data-settings": "Data settings",
         "no-data-display-message": "\"No data to display\" alternative message",
+        "data-page-size": "Maximum entities per datasource",
         "settings-component-not-found": "Settings form component not found for selector '{{selector}}'"
     },
     "widget-type": {